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Catheter ablation of supraventricular tachycardia in patients with and without structural heart disease: insights from the German ablation registry
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Catheter ablation of supraventricular tachycardia in patients with and without structural heart disease: insights from the German ablation registry
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Catheter ablation of supraventricular tachycardia in patients with and without structural heart disease: insights from the German ablation registry
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Journal Article
Catheter ablation of supraventricular tachycardia in patients with and without structural heart disease: insights from the German ablation registry
2022
Overview
AimTo compare patient characteristics, safety and efficacy of catheter ablation of supraventricular tachycardia (SVT) in patients with and without structural heart disease (SHD) enrolled in the German ablation registry.Methods and resultsFrom January 2007 until January 2010, a total of 12,536 patients (37.2% with known SHD) were enrolled and followed for at least one year. Patients with SHD more often underwent ablation for atrial flutter (45.8% vs. 20.9%, p < 0.001), whereas patients without SHD more often underwent ablation for atrioventricular nodal reentrant tachycardia (30.2% vs. 11.8%, p < 0.001) or atrioventricular reentrant tachycardia (9.1% vs. 1.6%, p < 0.001). Atrial fibrillation catheter ablation procedures were performed in a similar proportion of patients with and without SHD (38.1% vs. 36.9%, p = 0.21).Overall, periprocedural success rate was high in both groups. Death, myocardial infarction or stroke occurred in 0.2% and 0.1% of patients with and without SHD (p = 0.066). Major non-fatal complications prior to discharge were rare and did not differ significantly between patients with and without SHD (0.5% vs. 0.4%, p = 0.34). Kaplan–Meier mortality estimate at 1 year demonstrated a significant mortality increase in patients with SHD (2.6% versus 0.7%; p < 0.001).ConclusionPatients with and without SHD undergoing SVT ablation exhibit similar success rates and low major complication rates, despite disadvantageous baseline characteristics in SHD patients. These data highlight the safety and efficacy of SVT ablation in patients with and without SHD. Nevertheless Kaplan–Meier mortality estimates at 1 year demonstrate a significant mortality increase in patients with SHD, highlighting the importance of treating the underlying condition and reliable anticoagulation if indicated.
Publisher
Springer Nature B.V
